145353138 has 16 divisors (see below), whose sum is σ = 332235840. Its totient is φ = 41529456.

The previous prime is 145353137. The next prime is 145353139. The reversal of 145353138 is 831353541.

145353138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (145353137) and next prime (145353139).

It is a super-2 number, since 2×145353138² = 42255069452894088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145353099 and 145353108.

It is not an unprimeable number, because it can be changed into a prime (145353137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1730353 + ... + 1730436.

It is an arithmetic number, because the mean of its divisors is an integer number (20764740).

Almost surely, 2^145353138 is an apocalyptic number.

145353138 is an abundant number, since it is smaller than the sum of its proper divisors (186882702).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145353138 is a wasteful number, since it uses less digits than its factorization.

145353138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3460801.

The product of its digits is 21600, while the sum is 33.

The square root of 145353138 is about 12056.2489191290. The cubic root of 145353138 is about 525.7849337877.

The spelling of 145353138 in words is "one hundred forty-five million, three hundred fifty-three thousand, one hundred thirty-eight".